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Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
"""
Test cases for the repr module
Nick Mathewson
"""
import sys
import os
import shutil
import unittest
from test.test_support import run_unittest, check_py3k_warnings
from repr import repr as r # Don't shadow builtin repr
from repr import Repr
def nestedTuple(nesting):
t = ()
for i in range(nesting):
t = (t,)
return t
class ReprTests(unittest.TestCase):
def test_string(self):
eq = self.assertEqual
eq(r("abc"), "'abc'")
eq(r("abcdefghijklmnop"),"'abcdefghijklmnop'")
s = "a"*30+"b"*30
expected = repr(s)[:13] + "..." + repr(s)[-14:]
eq(r(s), expected)
eq(r("\"'"), repr("\"'"))
s = "\""*30+"'"*100
expected = repr(s)[:13] + "..." + repr(s)[-14:]
eq(r(s), expected)
def test_tuple(self):
eq = self.assertEqual
eq(r((1,)), "(1,)")
t3 = (1, 2, 3)
eq(r(t3), "(1, 2, 3)")
r2 = Repr()
r2.maxtuple = 2
expected = repr(t3)[:-2] + "...)"
eq(r2.repr(t3), expected)
def test_container(self):
from array import array
from collections import deque
eq = self.assertEqual
# Tuples give up after 6 elements
eq(r(()), "()")
eq(r((1,)), "(1,)")
eq(r((1, 2, 3)), "(1, 2, 3)")
eq(r((1, 2, 3, 4, 5, 6)), "(1, 2, 3, 4, 5, 6)")
eq(r((1, 2, 3, 4, 5, 6, 7)), "(1, 2, 3, 4, 5, 6, ...)")
# Lists give up after 6 as well
eq(r([]), "[]")
eq(r([1]), "[1]")
eq(r([1, 2, 3]), "[1, 2, 3]")
eq(r([1, 2, 3, 4, 5, 6]), "[1, 2, 3, 4, 5, 6]")
eq(r([1, 2, 3, 4, 5, 6, 7]), "[1, 2, 3, 4, 5, 6, ...]")
# Sets give up after 6 as well
eq(r(set([])), "set([])")
eq(r(set([1])), "set([1])")
eq(r(set([1, 2, 3])), "set([1, 2, 3])")
eq(r(set([1, 2, 3, 4, 5, 6])), "set([1, 2, 3, 4, 5, 6])")
eq(r(set([1, 2, 3, 4, 5, 6, 7])), "set([1, 2, 3, 4, 5, 6, ...])")
# Frozensets give up after 6 as well
eq(r(frozenset([])), "frozenset([])")
eq(r(frozenset([1])), "frozenset([1])")
eq(r(frozenset([1, 2, 3])), "frozenset([1, 2, 3])")
eq(r(frozenset([1, 2, 3, 4, 5, 6])), "frozenset([1, 2, 3, 4, 5, 6])")
eq(r(frozenset([1, 2, 3, 4, 5, 6, 7])), "frozenset([1, 2, 3, 4, 5, 6, ...])")
# collections.deque after 6
eq(r(deque([1, 2, 3, 4, 5, 6, 7])), "deque([1, 2, 3, 4, 5, 6, ...])")
# Dictionaries give up after 4.
eq(r({}), "{}")
d = {'alice': 1, 'bob': 2, 'charles': 3, 'dave': 4}
eq(r(d), "{'alice': 1, 'bob': 2, 'charles': 3, 'dave': 4}")
d['arthur'] = 1
eq(r(d), "{'alice': 1, 'arthur': 1, 'bob': 2, 'charles': 3, ...}")
# array.array after 5.
eq(r(array('i')), "array('i', [])")
eq(r(array('i', [1])), "array('i', [1])")
eq(r(array('i', [1, 2])), "array('i', [1, 2])")
eq(r(array('i', [1, 2, 3])), "array('i', [1, 2, 3])")
eq(r(array('i', [1, 2, 3, 4])), "array('i', [1, 2, 3, 4])")
eq(r(array('i', [1, 2, 3, 4, 5])), "array('i', [1, 2, 3, 4, 5])")
eq(r(array('i', [1, 2, 3, 4, 5, 6])),
"array('i', [1, 2, 3, 4, 5, ...])")
def test_numbers(self):
eq = self.assertEqual
eq(r(123), repr(123))
eq(r(123L), repr(123L))
eq(r(1.0/3), repr(1.0/3))
n = 10L**100
expected = repr(n)[:18] + "..." + repr(n)[-19:]
eq(r(n), expected)
def test_instance(self):
eq = self.assertEqual
i1 = ClassWithRepr("a")
eq(r(i1), repr(i1))
i2 = ClassWithRepr("x"*1000)
expected = repr(i2)[:13] + "..." + repr(i2)[-14:]
eq(r(i2), expected)
i3 = ClassWithFailingRepr()
eq(r(i3), (""%id(i3)))
s = r(ClassWithFailingRepr)
self.assertTrue(s.startswith(""))
self.assertTrue(s.find("...") == 8)
def test_file(self):
fp = open(unittest.__file__)
self.assertTrue(repr(fp).startswith(
"')
# Methods
self.assertTrue(repr(''.split).startswith(
'")
# XXX member descriptors
# XXX attribute descriptors
# XXX slot descriptors
# static and class methods
class C:
def foo(cls): pass
x = staticmethod(C.foo)
self.assertTrue(repr(x).startswith('" % (areallylongpackageandmodulenametotestreprtruncation.__name__, areallylongpackageandmodulenametotestreprtruncation.__file__))
eq(repr(sys), "")
def test_type(self):
eq = self.assertEqual
touch(os.path.join(self.subpkgname, 'foo'+os.extsep+'py'), '''\
class foo(object):
pass
''')
from areallylongpackageandmodulenametotestreprtruncation.areallylongpackageandmodulenametotestreprtruncation import foo
eq(repr(foo.foo),
"" % foo.__name__)
def test_object(self):
# XXX Test the repr of a type with a really long tp_name but with no
# tp_repr. WIBNI we had ::Inline? :)
pass
def test_class(self):
touch(os.path.join(self.subpkgname, 'bar'+os.extsep+'py'), '''\
class bar:
pass
''')
from areallylongpackageandmodulenametotestreprtruncation.areallylongpackageandmodulenametotestreprtruncation import bar
# Module name may be prefixed with "test.", depending on how run.
self.assertTrue(repr(bar.bar).startswith(
"')
# Bound method next
iqux = qux.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa()
self.assertTrue(repr(iqux.amethod).startswith(
'